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https://www.readbyqxmd.com/read/28432996/toxicological-effects-of-phenol-on-four-marine-microalgae
#1
Weiyan Duan, Fanping Meng, Yufei Lin, Guoshan Wang
The toxic effects of phenol on four marine microalgae (Dunaliella salina, Platymonas subcordiformis, Phaeodactylum tricornutum Bohlin, and Skeletonema costatum) were evaluated. The 96h EC50 values were 72.29, 92.97, 27.32, and 27.32mgL(-1), respectively, which were lower than those values of freshwater microalgae reported in the literature. During a 96-h exposure to a sub-lethal concentration of phenol (1/2 96h EC50) with green alga (D. salina) and diatom (S. costatum), reactive oxygen species (ROS) accumulation, and chlorophyll a (Chl a) content decrease were simultaneously observed in diatom cells after 48h treatment...
April 13, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28432995/eye-disorder-differentiates-seasonality-outcomes-in-persons-with-severe-visual-impairment
#2
Heller Madsen, Henrik Dam, Ida Hageman
BACKGROUND: Light plays a crucial role in both the pathogenesis and treatment of seasonal affective disorder (SAD). Consequently decreased retinal sensitivity to light has been suggested to be a risk factor for SAD. In a population of persons with severe visual impairment we recently found a highly increased prevalence of SAD. We now aimed to identify eye disorders or anatomical locations with specific association to seasonality. METHODS: In 912 cases (33%) from our prior seasonal pattern assessment questionnaire (SPAQ) screening study, we retrieved eye diagnoses from the Danish National Patient Registry and analyzed for specific eye disorders or anatomical locations that significantly differentiated SPAQ outcomes (global seasonality score, (GSS) and SPAQ-SAD prevalence)...
April 13, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28432990/influence-of-red-mud-on-soil-microbial-communities-application-and-comprehensive-evaluation-of-the-biolog-ecoplate-approach-as-a-tool-in-soil-microbiological-studies
#3
Viktória Feigl, Éva Ujaczki, Emese Vaszita, Mónika Molnár
Red mud can be applied as soil ameliorant to acidic, sandy and micronutrient deficient soils. There are still knowledge gaps regarding the effects of red mud on the soil microbial community. The Biolog EcoPlate technique is a promising tool for community level physiological profiling. This study presents a detailed evaluation of Biolog EcoPlate data from two case studies. In experiment "A" red mud from Ajka (Hungary) was mixed into acidic sandy soil in soil microcosms at 5-50 w/w%. In experiement "B" red mud soil mixture was mixed into low quality subsoil in a field experiment at 5-50 w/w%...
April 19, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28432986/the-effects-of-thymoquinone-on-hippocampal-cytokine-level-brain-oxidative-stress-status-and-memory-deficits-induced-by-lipopolysaccharide-in-rats
#4
Rahimeh Bargi, Fereshteh Asgharzadeh, Farimah Beheshti, Mahmoud Hosseini, Hamid Reza Sadeghnia, Majid Khazaei
OBJECTIVE: The study objective was to determine the protective effects of thymoquinone (TQ) on brain tissues oxidative stress status, hippocampal cytokine level, and learning and memory deficits induced by lipopolysaccharide (LPS) in rats. METHODS: Animals were randomly divided into the following groups and treated: (1) Control (saline), (2) LPS (1mg/kg i.p.), (3-5) 2, 5 or 10mg/kg TQ extract 30min before LPS injection. The treatment was started since two weeks before the behavioral experiments and continued during the behavioral tests (LPS injected 2h before each behavioral experiment)...
April 19, 2017: Cytokine
https://www.readbyqxmd.com/read/28432979/the-reality-of-economics-for-oncologists
#5
REVIEW
David Taylor
This article outlines the historical development of health economics and its present role in oncology related health technology assessments (HTAs). Despite concerns about the prices and immediate costs of new anticancer medicines for indications such as breast cancer overall spending on such treatments is affordable and offers long term value for money in countries such as the US, Canada and those of Western Europe. Oncologists wishing to protect the interests of current and future patients with both advanced and earlier stage cancers may be regarded as having a responsibility to understand the nature of health economic evaluations, and to be actively involved in decisions affecting access to current treatments and future levels of investment in incrementally improving therapies...
April 19, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28432964/phytate-induced-arsenic-uptake-and-plant-growth-in-arsenic-hyperaccumulator-pteris-vittata
#6
Xue Liu, Jing-Wei Fu, Ni Tang, E B da Silva, Yue Cao, Benjamin L Turner, Yanshan Chen, Lena Q Ma
Phytate is abundant in soils, which is stable and unavailable for plant uptake. However, it occurs in root exudates of As-hyperaccumulator Pteris vittata (PV). To elucidate its effect on As uptake and growth, P. vittata were grown on agar media (63 μM P) containing 50 μM As and/or 50 or 500 μM phytate with non As-hyperaccumulator Pteris ensiformis (PE) as a congeneric control for 60 d. Phytate induced efficient As and P uptake, and enhanced growth in PV, but had little effects on PE. The As concentrations in PV fronds and roots were 157 and 31 mg kg(-1) in As50+phytate50, 2...
April 19, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28432952/removal-of-antibiotics-from-piggery-wastewater-by-biological-aerated-filter-system-treatment-efficiency-and-biodegradation-kinetics
#7
Jun Chen, You-Sheng Liu, Jin-Na Zhang, Yong-Qiang Yang, Li-Xin Hu, Yuan-Yuan Yang, Jian-Liang Zhao, Fan-Rong Chen, Guang-Guo Ying
This study aimed to investigate the removal efficiency and mechanism for antibiotics in swine wastewater by a biological aerated filter system (BAF system) in combination with laboratory aerobic and anaerobic incubation experiments. Nine antibiotics including sulfamonomethoxine, sulfachloropyridazine, sulfamethazine, trimethoprim, norfloxacin, ofloxacin, lincomycin, leucomycin and oxytetracycline were detected in the wastewater with concentrations up to 192,000ng/L. The results from this pilot study showed efficient removals (>82%) of the conventional wastewater pollutants (BOD5, COD, TN and NH3-N) and the detected nine antibiotics by the BAF system...
April 9, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28432951/microbial-communities-in-the-functional-areas-of-a-biofilm-reactor-with-anaerobic-aerobic-process-for-oily-wastewater-treatment
#8
Jianhua Li, Shanshan Sun, Ping Yan, Li Fang, Yang Yu, Yangdong Xiang, Di Wang, Yejing Gong, Yanjun Gong, Zhongzhi Zhang
Microbial communities in the functional areas of biofilm reactors with large height-diameter ratio using the anaerobic-aerobic (A/O) reflux process was investigated to treat heavy oil refinery wastewater without pretreatment. In the process, chemical oxygen demand (COD) and total nitrogen (TN) removal reached 93.2% and 82.8%, and the anaerobic biofilm reactor was responsible for 95% and 99%, respectively. Areas for hydrolysis acidification and acetic acid production, methane production, and COD recovery were obvious in the anaerobic reactor...
April 10, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28432946/design-and-synthesis-of-sulfonamide-substituted-diphenylpyrimidines-sfa-dppys-as-potent-bruton-s-tyrosine-kinase-btk-inhibitors-with-improved-activity-toward-b-cell-lymphoblastic-leukemia
#9
He Liu, Menghua Qu, Lina Xu, Xu Han, Changyuan Wang, Xiaohong Shu, Jihong Yao, Kexin Liu, Jinyong Peng, Yanxia Li, Xiaodong Ma
A new series of diphenylpyrimidine derivatives (SFA-DPPYs) were synthesized by introducing a functional sulfonamide into the C-2 aniline moiety of pyrimidine template, and then were biologically evaluated as potent Bruton's tyrosine kinase (BTK) inhibitors. Among these molecules, inhibitors 10c, 10i, 10j and 10k displayed high potency against the BTK enzyme, with IC50 values of 1.18 nM, 0.92 nM, 0.42 nM and 1.05 nM, respectively. In particular, compound 10c could remarkably inhibit the proliferation of the B lymphoma cell lines at concentrations of 6...
April 14, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28432944/phototoxic-action-of-a-zinc-ii-phthalocyanine-encapsulated-into-poloxamine-polymeric-micelles-in-2d-and-3d-colon-carcinoma-cell-cultures
#10
Nicolás Chiarante, María C García Vior, Josefina Awruch, Julieta Marino, Leonor P Roguin
Photodynamic therapy is emerging as a hopeful method for the treatment of oncological diseases. In the search of novel therapeutic strategies for colorectal cancer, in this work we reported the photocytotoxic activity of a lipophilic zinc(II) phthalocyanine on a murine colon adenocarcinoma cell line (CT26 cells). The 2,9(10),16(17),23(24) tetrakis[(2-dimethylamino)ethylsulfanyl]phthalocyaninatozinc(II), named Pc9, was encapsulated into Tetronic® 1107 polymeric poloxamine micelles (T1107) and assayed in 2D and 3D cell cultures...
April 11, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28432943/exploration-of-flexible-phenylpropylurea-scaffold-as-novel-cardiac-myosin-activators-for-the-treatment-of-systolic-heart-failure
#11
Manoj Manickam, Hitesh B Jalani, Thanigaimalai Pillaiyar, Niti Sharma, Pulla Reddy Boggu, Eeda Venkateswararao, You-Jung Lee, Eun-Seok Jeon, Sang-Hun Jung
A series of flexible urea derivatives have been synthesized and demonstrated as selective cardiac myosin ATPase activator. Among them 1-phenethyl-3-(3-phenylpropyl)urea (1, cardiac myosin ATPase activation at 10 μM = 51.1%; FS = 18.90; EF = 12.15) and 1-benzyl-3-(3-phenylpropyl)urea (9, cardiac myosin ATPase activation = 53.3%; FS = 30.04; EF = 18.27) showed significant activity in vitro and in vivo. The change of phenyl ring with tetrahydropyran-4-yl moiety viz., 1-(3-phenylpropyl)-3-((tetrahydro-2H-pyran-4-yl)methyl)urea (14, cardiac myosin ATPase activation = 81...
April 7, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28432939/the-association-of-psychiatric-comorbidity-with-treatment-completion-among-clients-admitted-to-substance-use-treatment-programs-in-a-u-s-national-sample
#12
Noa Krawczyk, Kenneth A Feder, Brendan Saloner, Rosa M Crum, Marc Kealhofer, Ramin Mojtabai
BACKGROUND: Psychiatric disorders are highly comorbid with substance use disorders and play an important role in their course and recovery. However, the impact of comorbidity on treatment outcomes has not been examined in a U.S. national sample. This study explores the impact of psychiatric comorbidity on treatment completion among individuals admitted to publicly funded substance use treatment facilities across the United States. METHODS: Using data on first-time treatment episodes in the U...
April 19, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28432937/subantibiotic-dose-of-azithromycin-attenuates-alveolar-bone-destruction-and-improves-trabecular-microarchitectures-in-a-rat-model-of-experimental-periodontitis-a-study-using-micro-computed-tomography
#13
Hye-Shin Park, Yong Sun Lee, Eun-Young Choi, Jeom-Il Choi, In Soon Choi, Sung-Jo Kim
Azithromycin, a macrolide antibiotic, has anti-inflammatory and immunomodulatory activities apart from its antibacterial properties. In this study, we examined the efficacy of subantibiotic dose of azithromycin on ligature-induced periodontitis in rats using micro-computed tomography (micro-CT) imaging and bone parameter analysis. Male Sprague-Dawley rats were allocated to the following four groups: non-ligation (NL) group; ligation-only (L) group; ligation-plus-subantibiotic dose azithromycin (SA) group; and 4) ligation-plus-antibiotic dose azithromycin (AA) group...
April 19, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28432930/an-innovative-procedure-for-norm-scales-treatment-and-radionuclides-separation
#14
Jamal Al Abdullah, Mohammad Said Al-Masri, Yusr Amin, Hussam Khalily, Mohammad Ammar, Samer Nassour
The present study focuses on the development of a new chemical treatment method for naturally occurring radioactive materials (NORM) scale wastes from the oil industry. The method consists of three-stages, including the separation of oil using the Fenton oxidation process at room temperature, the complete dissolution of soluble and slightly soluble salts and separation of Ra and Pb isotopes. The proposed method can be considered as an innovative procedure for NORM scales treatment and radionuclides separation, which in turn support the radioactive waste management with economic benefits...
April 5, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28432903/the-decidua-of-preeclamptic-like-bph-5-mice-exhibits-an-exaggerated-inflammatory-response-during-early-pregnancy
#15
C Y Heyward, J L Sones, H E Lob, L C Yuen, K E Abbott, W Huang, Z R Begun, S D Butler, A August, C A Leifer, R L Davisson
Preeclampsia is a devastating complication of pregnancy characterized by late-gestation hypertension and proteinuria. Because the only definitive treatment is delivery of the fetus and placenta, preeclampsia contributes to increased morbidity and mortality of both mother and fetus. The BPH/5 mouse model, which spontaneously develops a syndrome strikingly similar to preeclampsia, displays excessive inflammation and suppression of inflammation improves pregnancy outcomes. During early pregnancy, decidual macrophages play an important role in promoting maternal tolerance to fetal antigens and regulating tissue remodeling, two functions that are critical for normal placental development...
April 10, 2017: Journal of Reproductive Immunology
https://www.readbyqxmd.com/read/28432902/ayahuasca-s-entwined-efficacy-an-ethnographic-study-of-ritual-healing-from-addiction
#16
Piera Talin, Emilia Sanabria
BACKGROUND: A range of studies has demonstrated the efficacy of the psychoactive Amazonian brew ayahuasca in addressing substance addiction. These have revealed that physiological and psychological mechanisms are deeply enmeshed. This article focuses on how interactive ritual contexts support the healing effort. The study of psychedelic-assisted treatments for addiction has much to gain from ethnographic analyses of healing experiences within the particular ecologies of use and care, where these interventions are rendered efficacious...
April 19, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28432900/lysophosphatidic-acid-induces-expression-of-genes-in-human-oral-keratinocytes-involved-in-wound-healing
#17
Hong Huynh Thorlakson, Stian Andre Engen, Olav Schreurs, Karl Schenck, Inger Johanne Schytte Blix
OBJECTIVE: Epithelial cells participate in wound healing by covering wounds, but also as important mediators of wound healing processes. Topical application of the phospholipid growth factor lysophosphatidic acid (LPA) accelerates dermal wound healing and we hypothesized that LPA can play a role in human oral wound healing through its effects on human oral keratinocytes (HOK). DESIGN: HOK were isolated from gingival biopsies and exposed to LPA. The LPA receptor profile, signal transduction pathways, gene expression and secretion of selected cytokines were analyzed...
April 13, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28432894/the-structure-correlates-and-treatment-related-changes-of-mindfulness-facets-across-the-anxiety-disorders-and-obsessive-compulsive-disorder
#18
Lance L Hawley, Jenny Rogojanski, Valerie Vorstenbosch, Lena C Quilty, Judith M Laposa, Neil A Rector
Research with non-clinical and clinical samples has examined how mindfulness concepts relate to psychological symptom presentations. However, there is less clarity when examining treatment-seeking patients who experience DSM-diagnosed anxiety and obsessional disorders - both cross-sectionally, and following empirically-supported treatments. The Five Facet Mindfulness Questionnaire (FFMQ; Baer, Smith, Hopkins, Krietemeyer, & Toney, 2006) conceptualizes mindfulness as consisting of five facets: Observing, Describing, Acting with Awareness, Nonreactivity, and Nonjudging...
March 14, 2017: Journal of Anxiety Disorders
https://www.readbyqxmd.com/read/28432887/application-of-a-%C3%AE-rs-index-based-method-and-techno-economic-analysis-for-in-situ-treatment-of-137-cs-contaminated-soils-by-cement-barite-based-stabilisation-solidification
#19
Pietro P Falciglia, Stefano Romano, Federico G A Vagliasindi
This paper examines the application of cement (C)-barite (Ba) based-Stabilisation/Solidification (S/S) for the remediation of (137)Cs-contaminated soils, investigating the influence of soil: grout and C: Ba ratios on the shielding performance of the S/S mix assessed as gamma radiation shielding (γRS) index variation. Results from experiments were used to perform a novel approach and an economic analysis in order to calculate the effective dose reduction achievable by S/S and to assess the optimum quantities and costs of selected mixes, respectively...
April 19, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28432886/evaluation-of-biochar-ultrafiltration-membrane-processes-for-humic-acid-removal-under-various-hydrodynamic-ph-ionic-strength-and-pressure-conditions
#20
Vaibhavi Shankar, Jiyong Heo, Yasir A J Al-Hamadani, Chang Min Park, Kyoung Hoon Chu, Yeomin Yoon
The performance of an ultrafiltration (UF)-biochar process was evaluated in comparison with a UF membrane process for the removal of humic acid (HA). Bench-scale UF experiments were conducted to study the rejection and flux trends under various hydrodynamic, pH, ionic strength, and pressure conditions. The resistance-in-series model was used to evaluate the processes and it showed that unlike stirred conditions, where low fouling resistance was observed (28.7 × 10(12) m(-1) to 32.5 × 10(12) m(-1)), higher values and comparable trends were obtained for UF-biochar and UF alone for unstirred conditions (28...
April 19, 2017: Journal of Environmental Management
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